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Help CenterSelf-Bonding Enamelled Wire 0.3mm for Coil Winding in Electronics
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Shandong Huilong Electrical Material Co., Ltd., established in 1970 with ISO9001 and ISO14000 certifications, manufactures premium self-bonding enamelled wire specifically engineered for precision coil winding applications in the electronics industry. Our 0.3mm diameter wire features proprietary self-bonding technology that eliminates the need for external adhesives during coil production. With over 50 years of expertise in electrical materials and exports exceeding $100 million annually, we deliver consistent quality through vertically integrated manufacturing across our 10,000-30,000 sqm facility in Shandong.
Key Technical Advantages:
- Self-fusing capability activates at 150-180°C for immediate inter-turn bonding
- Uniform enamel coating thickness of 0.005-0.008mm ensures dielectric strength >6kV
- Precision dimensional control maintains ±0.5% diameter tolerance
- Optimized for automated winding equipment with minimal springback
- Superior thermal stability withstands 155°C continuous operation
The technical specifications include:
| Parameter | Value | Test Standard |
|---|---|---|
| Tensile Strength | 215-245 MPa | IEC 60317 |
| Elongation | ≥ 15% | IEC 60851 |
| Bond Strength | ≥ 25 N/cm² | ASTM D2519 |
| Dielectric Withstand | 6.5kV AC | IEC 60317-20 |
This specialized wire delivers significant production benefits including 30% faster winding cycle times compared to traditional wires and 15% reduction in coil volume due to eliminated adhesive layers. The self-bonding characteristic ensures vibration-resistant coils ideal for transformers, solenoids, and sensors in automotive electronics, medical devices, and precision instruments. Our formulation maintains stable electrical properties across humidity ranges of 10-95% RH.
Frequently Asked Questions:
Q: What distinguishes self-bonding wire from conventional enamelled wire?
A: It contains a thermal-activated adhesive layer that fuses adjacent turns when heated, eliminating separate bonding processes.
Q: What temperature activates the bonding property?
A: Optimal bonding occurs between 150-180°C within 15-60 seconds depending on coil mass.
Q: Is this wire compatible with automatic winding machines?
A: Yes, our controlled tension properties ensure smooth feeding through high-speed winders up to 15,000 RPM.
Q: Can I request custom packaging configurations?
A> We provide customizable spool sizes from 1kg to 20kg with moisture-barrier packaging available.
Q: What quality control measures are implemented?
A> 100% dimensional inspection, statistical process control, and batch traceability through ISO9001-certified systems.
Q: What are the lead times for international orders?
A> Standard shipments through Qingdao/Shanghai ports have 15-25 day delivery to major global markets.
With established exports to 15+ global markets including North America, Europe and Southeast Asia, we maintain strict quality control through our 100+ employee workforce. Our manufacturing capabilities support both standard specifications and customized formulations for specialized applications. Contact our engineering team today to discuss how our self-bonding technology can optimize your coil production efficiency and enhance end-product reliability.
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